Company Contact • Headquarters
Contact Headquarters
Contact Bongshai Engineering & Construction for free project estimates within 48-72 hours. Reach our Uttara Sector 10 headquarters at 01714104940 or info@bongshai.com for civil, industrial, and structural engineering consultations across Bangladesh.
Last updated: August 8, 2026 • Reviewed & Approved by SMA Awal, Chief Engineer, Bongshai Engineering & Construction

01
What are Bongshai E&C's corporate office addresses?
Main Office (Alordhara)
Alordhara, Level 05, House #18, Road #18, Sector #10, Uttara C/A, Dhaka 1230, Bangladesh
Branch Office
Alordhara, Level 05, House #18, Road #18, Sector #10, Uttara C/A, Dhaka 1230
Direct Phone & WhatsApp
Office Landline: 01714104940
Cell / WA: +88 01714-104940
Official Email & Web
info@bongshai.com
www.bongshaiengineering.com
How can you send a direct consultation message?
02
How do you get a free project estimate from Bongshai E&C?
BONGSHAI E&C provides free preliminary project estimates for all construction types — civil, industrial, PEB steel, RCC, electrical, heavy rigging, and architectural works. The estimation process is straightforward and designed to give you accurate budget guidance as quickly as possible.
- 1
- Share Project Scope — Send a brief description of your project to info@bongshai.com or call 01714104940. Include building type, approximate floor area, number of stories, and intended use.
- 2
- Technical Review — Our engineering team reviews your scope within 24 hours and prepares a list of clarifying questions about structural standards, material specifications, site access, and construction program expectations.
- 3
- Preliminary Estimate — We provide a budget-level estimate within 48–72 hours of receiving complete scope information. For complex projects, a site visit may be scheduled within 5 business days to assess ground conditions, access constraints, and existing structure interface points.
- 4
- Detailed Proposal — Following scope finalization and site visit, a detailed engineering proposal with unit rates, construction schedule, payment milestones, and warranty terms is submitted within 7–10 business days.
What are Bongshai E&C's response time commitments?
| Item | Detail |
|---|---|
| Email inquiry response | Within 24 hrs |
| Preliminary budget estimate | 48–72 hrs |
| Site visit scheduling | Within 5 days |
| Detailed proposal | 7–10 days |
| WhatsApp response | Within 2 hrs (business hours) |
What are the official office hours?
| Item | Detail |
|---|---|
| Sunday – Thursday | 9:00 AM – 6:00 PM |
| Friday | Closed |
| Saturday | 9:00 AM – 2:00 PM |
| Emergency (Cell/WhatsApp) | Always Available |
WhatsApp/Cell: +88 01714-104940 / +88 01789-949060
For urgent project inquiries, WhatsApp is the fastest contact channel.
03
What is Bongshai E&C's service coverage area in Bangladesh?
BONGSHAI E&C deploys project teams throughout Bangladesh and is capable of establishing remote site offices, crew accommodation, and logistics support for any project location across the country. Below is our primary coverage map:
Dhaka Division
Uttara, Gazipur, Narayanganj, Savar, Keraniganj, Ashulia
Chattogram Division
Chattogram city, Karnaphuli EPZ, Mirsharai Economic Zone
Khulna Division
Khulna city, Mongla Port, Jessore industrial area
Sylhet & Others
Sylhet, Rajshahi, Bogura, Mymensingh, Cumilla
For a complete breakdown of all 64 districts and 8 divisions we serve, see our Areas We Serve page.
04
What do clients frequently ask when contacting Bongshai E&C?
How long does a construction estimate from BONGSHAI E&C take?
Preliminary budget estimates are typically provided within 48–72 hours of receiving complete project scope information. For complex projects requiring a site visit, the estimate is prepared within 7–10 business days from the site visit date. All estimates are provided at no charge.
Does BONGSHAI E&C work on projects outside Dhaka?
Yes. BONGSHAI E&C deploys full project teams to any division in Bangladesh — including Chattogram, Khulna, Rajshahi, Sylhet, Mymensingh, Bogura, and beyond. The company is experienced in establishing remote site offices and managing multi-location projects simultaneously.
What should I include when contacting BONGSHAI E&C?
For the fastest response, include: building type (garment factory, industrial shed, commercial building, etc.), approximate floor area (m²), number of floors, project location, desired construction standard (BNBC 2020, Accord compliant, etc.), and intended project start date. Sending any existing drawings or sketch layouts helps our estimating team provide a more accurate initial budget.
Can I visit the BONGSHAI E&C head office?
Yes. Our head office is located at Alordhara, Level 05, House #18, Road #18, Sector #10, Uttara C/A, Dhaka 1230. We welcome client visits Sunday through Thursday, 9:00 AM to 6:00 PM. Please call or WhatsApp ahead to schedule a meeting with the relevant project manager or technical team: +88 01714-104940.
Free project estimate
Get a Free Project Estimate
Tell us what you plan to build. Our engineering team replies within 24-48 hours with questions and a budget range.
Head office
Phone, email and office
- Company
- Bongshai Engineering & Construction
- Telephone
- +88 01714-104940
- +88 01714-104940
- info@bongshai.com
- Head office
- Alordhara, Level 05, House #18, Road #18, Sector #10, Uttara C/A, Dhaka 1230, Bangladesh
- Office hours
- Sunday to Thursday: 9:00 AM to 6:00 PM
- Saturday: 9:00 AM to 2:00 PM
- Friday: Closed
Find us
Sector 10, Uttara, Dhaka
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